2^x=0.4

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Solution for 2^x=0.4 equation: 



2^x=0.4

We move all terms to the left:

2^x-(0.4)=0

We add all the numbers together, and all the variables

2^x-0.4=0

We move all terms containing x to the left, all other terms to the right

2^x=0.4

x=0.4/1

x=0.4

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